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Get the Chicago, IL local weather forecast by the hour and the next 10 days. ... 31 ° F-1 ° C Dew Point. 10 mi Visibility °F °C. Hourly 10 Days. ... USA TODAY 2 hours ago Toxic fallout from LA ...
Get the Chicago, IL local weather forecast by the hour and the next 10 days. ... 38 ° F 3 ° C Dew Point. 2 mi Visibility °F °C. Hourly 10 Days. 11AM 38 ... Top weather news for Friday, Jan. 31 ...
The dew point of a given body of air is the temperature to which it must be cooled to become saturated with water vapor. This temperature depends on the pressure and water content of the air. When the air is cooled below the dew point, its moisture capacity is reduced and airborne water vapor will condense to form liquid water known as dew. [1]
The wet-bulb temperature is the lowest temperature that may be achieved by evaporative cooling of a water-wetted, ventilated surface.. By contrast, the dew point is the temperature to which the ambient air must be cooled to reach 100% relative humidity assuming there is no further evaporation into the air; it is the temperature where condensation (dew) and clouds would form.
During May 1894 the Chicago Weather Bureau was given a new forecast area extending from the Great Lakes region all the way to the Rocky Mountains. [2] The current National Weather Service Chicago is located in Romeoville and is in charge of issuing local forecasts and weather warnings for the Chicago area . [ 2 ]
Chicago's streak of warmer-than-normal days ended today, with temperatures dropping to the mid-20s and a cold week ahead. A potential storm system early next week may bring snow to the area, with ...
Source: NOAA (relative humidity, dew point and sun 1961–1990) [144] [156] [157] Sunshine data for Chicago ... Today the Chicago metropolitan area is the ...
Get the Chicago, IL local weather forecast by the hour and the next 10 days. ... 30 ° F-1 ° C Dew Point. 10 mi Visibility °F °C. Hourly 10 Days. ... USA TODAY 7 hours ago Toxic fallout from LA ...